Re: [PATCH] csky: uaccess.h: Coding convention with asm generic

[Guenter Roeck]

On Wed, Apr 21, 2021 at 08:54:15AM +0000, guoren@xxxxxxxxxx wrote:
> From: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> 
> Using asm-generic/uaccess.h to prevent duplicated code:
>  - Add user_addr_max which mentioned in generic uaccess.h
>  - Remove custom definitions of KERNEL/USER_DS, get/set_fs,
>    uaccess_kerenl
>  - Using generic extable.h instead of custom definitions in
>    uaccess.h
> 
> Signed-off-by: Guo Ren <guoren@xxxxxxxxxxxxxxxxx>
> Cc: Arnd Bergmann <arnd@xxxxxxxx>

Building csky:tinyconfig ... failed
--------------
Error log:
csky-linux-ld: fs/readdir.o: in function `__put_user_fn':
readdir.c:(.text+0x7c): undefined reference to `__put_user_bad'
csky-linux-ld: fs/readdir.o: in function `$d':
readdir.c:(.text+0x1bc): undefined reference to `__put_user_bad'
make[1]: *** [Makefile:1277: vmlinux] Error 1
make: *** [Makefile:222: __sub-make] Error 2

Bisect log attached.

Guenter

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# bad: [3f1fee3e7237347f09a2c7fa538119e6d9ea4b84] Add linux-next specific files for 20210426
# good: [9f4ad9e425a1d3b6a34617b8ea226d56a119a717] Linux 5.12
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# bad: [6ab4f4364c450991a476eef5bc57bef3586354ed] Merge remote-tracking branch 'jc_docs/docs-next'
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# bad: [fd73cab0b2a046136842b23f027dae3686588ba5] Merge remote-tracking branch 'parisc-hd/for-next'
git bisect bad fd73cab0b2a046136842b23f027dae3686588ba5
# good: [f0e6103e023e0ede67848ddcd6b07044574f4fd3] soc: document merges
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# bad: [b3b33dda4fd25e201c77f0ce9277dd34f31e86ce] Merge remote-tracking branch 'h8300/h8300-next'
git bisect bad b3b33dda4fd25e201c77f0ce9277dd34f31e86ce
# good: [6a861bd8cf3c96f5825d031732e365b7721a84a5] Merge branch 'clk-qcom' into clk-next
git bisect good 6a861bd8cf3c96f5825d031732e365b7721a84a5
# good: [1dd129f1deec0606fb70992521a7e5bcd2f85c69] Merge branch 'clk-qcom' into clk-next
git bisect good 1dd129f1deec0606fb70992521a7e5bcd2f85c69
# good: [8808515be0ed4e33de9bfdc65f4c1b547ee11065] h8300: Replace <linux/clk-provider.h> by <linux/of_clk.h>
git bisect good 8808515be0ed4e33de9bfdc65f4c1b547ee11065
# good: [e27d3ecdeb8923f35cb856fd20be14256aaa7575] Merge remote-tracking branch 'clk/clk-next'
git bisect good e27d3ecdeb8923f35cb856fd20be14256aaa7575
# bad: [d3900e8d918f8fbd1366b9c2998e2830e66a0081] csky: uaccess.h: Coding convention with asm generic
git bisect bad d3900e8d918f8fbd1366b9c2998e2830e66a0081
# good: [0b1f557a1fa02174a982f557581e348d91987ec6] csky: Fixup typos
git bisect good 0b1f557a1fa02174a982f557581e348d91987ec6
# good: [8bfe70e696584deeed1de1bcbfcde405aa1a1344] csky: fix syscache.c fallthrough warning
git bisect good 8bfe70e696584deeed1de1bcbfcde405aa1a1344
# first bad commit: [d3900e8d918f8fbd1366b9c2998e2830e66a0081] csky: uaccess.h: Coding convention with asm generic